@inproceedings{Zhao2019ImprovingGE,
  title={Improving Grammatical Error Correction via Pre-Training a Copy-Augmented Architecture with Unlabeled Data},
  author={Wei Ke Zhao and Liang Wang and Kewei Shen and Ruoyu Jia and Jingming Liu},
  booktitle={NAACL-HLT},
  year={2019}
}